Sustainability requires the redefinition of the terms of reference for agricultural activities, which must be based on the recognition of multi-functional land use and the complex role that agriculture plays in society. The ability to renegotiate new terms of reference for agriculture, in turn,...

This paper provides an overview of graphic tools that are currently used for representing integrated analysis of farming systems and environmental systems. The overview includes also an appraisal of the various methods in terms of pros and cons. Some key issues concerning how to implement a...